-72.5% is the change from 880 to 242
Calculation steps:
[( 242 - 880 ) ÷ 880] x 100 = -72.5%
Formula
Percentage change = [(242 - 880) / 880] x 100
Subtract the new number by the original number
242 - 880 = -638
-638 ÷ 880 = -0.725
-0.725 x 100 = -72.5%